Table of Contents

In this Issue


Drugs and the Brain
by Henry A. Lester
A Caltech neurobiologist discusses how some well-known drugs act upon the billions of nerve cells in the human brain.

The Athenaeum — Fifty Years Young
by Lee A. DuBridge
Remarks from Caltech's president emeritus on a distinguished building's half-century anniversary.

William H. Corcoran: A Much-Honored Chemical Engineer
After a decade in the fund-raising trenches, Bill Corcoran has become Institute Professor of Chemical Engineering.

Max Dclbrück — How It Was
The Nobel Prize winning biologist recalls family, education, and science in Germany between world wars.

Research in Progress
An Eleven-Year Twitch
A New Left-Handed DNA Helix: One Good Turn Deserves Another